设计了一种新型布拉格光纤光栅地震检波器探测系统，分析了其设计原理、结构组成，给出了探测系统的灵敏度和频率特性参数。
The operating principle and structure design of the sensing probe of the FBG geophone are explained in detail. We reckon the sensitivity and frequency characteristic of the sensing probe.
简要介绍地音探测器的基本原理，SN - 4数字检波器的频率特性。
In this paper, the basic principle of geophone detector and the frequency characteristics of SN-4 digital detector are briefly introduced.
根据该方法，相对过阻尼系数能够表示成检波器响应曲线的半峰高宽度和检波器自然频率乘积的线性函数。
According to the method, the relative overdamping can be expressed in a linear function of the product of the width of half peak of the response curve by the nature frequency of the geophone.
我们把地震检波器的横向共振频率定义为检波器假频。
The horizontal resonance frequency of digital seismic geophone is defined as spurious frequency.
检波器在共振频率以下亦有较好的频率响应。
The accelerometer also has better frequency response under the resonant frequency.
初步测试结果表明，检波器在共振频率以上有较好的频率响应，输入信号与输出信号吻合得较好。
Preliminary test results indicated that the accelerometer has better frequency response well above the resonant frequency, and the output signal is in correspondence with the input.
初步测试结果表明，检波器在共振频率以上有较好的频率响应，输入信号与输出信号吻合得较好。
Preliminary test results indicated that the accelerometer has better frequency response well above the resonant frequency, and the output signal is in correspondence with the input.
应用推荐